---
session_id: "session_20260429_k8m2x7"
branch: "feat/security-compliance-docs"
created_at: "2026-04-29T00:00:00Z"
current_mode: "security+document"
version: "1.0"
---

## Session Overview

**Branch:** feat/security-compliance-docs
**Started:** 2026-04-29 UTC
**Current Mode:** security+document

## Mode History

| Mode | Entered | Exited | Summary |
|------|---------|--------|---------|
| security+document | 00:00 | - | Full security/compliance review + documentation overhaul |

## Actions Taken

### 2026-04-29 00:00 - security+document mode
- Branched from latest main (cdfb625)
- Restored stashed changes from feat/first-build (.promptosaurus/.promptosaurus.yaml, CLAUDE.md updates)
- Beginning parallel security review and documentation audit

## Context Summary

Starting comprehensive security + compliance review and full documentation overhaul of pirn, a Python pipeline/workflow framework. The codebase includes: backends (disk, duckdb, in_memory, postgres, s3, sqlite, valkey), engine (celery/dask/ray dispatchers), emitters (kafka, otel, valkey, webhook), triggers (cron, http, kafka, valkey), streaming, viz, and yaml_loader modules.

**Work to complete:**
1. Security & compliance review of all source files
2. Threat modeling
3. Full documentation update (README, module docstrings, API docs)
4. Design documentation (architecture, data flow, component diagrams)

## Notes
- Branch based off main commit cdfb625 (latest)
- Stashed changes from feat/first-build are now on this branch
